iGCover is a simple and open source Mac OS X application for searching in Google and embedding cover art for iTunes music.

ituwitter will be installed to “Applications” and once run will display an icon on the task bar. You must configure the program to access your twitter account. Click on the icon and choose “preferences” then choose the “twitter” tab. From there click the button to start the authentication process.

Mousqueak is a free and easy to use application that will add a significant amount of features to iTunes.

BravoTunes puts iTunes in your menubar, providing scrolling track information for the current and upcoming songs, plus a system-wide menu to switch tracks, pause iTunes, or adjust shuffle and repeat settings.

SizzlingKeys 4iTunes lets you control iTunes without leaving your current application. Control all aspects of iTunes with hot keys that are fully-customizable via an intuitive Preference Pane plug-in. iTunes is the best music player out there, but don’t you wish you could control it without interrupting your task at hand? Now you can.

iTunesShut is the tool you need if you fall asleep with the music from iTunes and want to shut down your Mac after the music has finished automatically. With this little app it is possible, without to schedule a time in the System Preferences. The application recieves a notification from iTunes, about the player state.

iTunesMenu is a menubar that helps you see what song is playing in iTunes. iTunesMenu has options for controlling iTunes with hotkeys, and showing Growl notifications when the song has changed. iTunesMenu uses Shortcut Recorder to capture hotkeys.

Lyricus is an open source free and minimalist lyric reader for OS X. Lyricus will allow you to view the lyrics of the song that is currently playing in iTunes and also to bulk download lyrics for an entire playlist with its integrated lyrics bulk downloader.

Instead of endlessly scrolling through your library, trying to find something to listen to, simply pick a song to create a playlist in seconds. Our recommendations go beyond genre and editorial review, to offer you the best songs of your music collection at just the right moment.

Dukko is a small utility designed to help you rename MP3 or AAC files based on iTunes tags. Drag file on Dukko icon, and select Simple or Full mode, and Dukko rename file as “title.mp3″ or “artist - title.mp3″.